MS. KAREN MUELLER NP
NPI 1699029645
Nurse Practitioner - Adult Health in Newton Lower Falls, MA
About Ms. Karen Mueller Np NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MS. KAREN MUELLER NP (NPI 1699029645) is an individual adult health provider in Newton Lower Falls, Massachusetts, licensed in Massachusetts (161107) and active in the NPI registry since October 2012. She is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Ms. Karen Mueller Np is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Karen Mueller reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Newton, MA 02462
- Reassigned Medicare billing, Massachusetts enrollment
- 992 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 02462 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
NEWTON, MA 02462
NEWTON, MA 02462
NEWTON, MA 02462
NEWTON, MA 02462
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Karen Mueller's NPI number?
The NPI number for Karen Mueller is 1699029645. It was assigned to this individual provider in the NPPES registry on October 30, 2012.
Where is Karen Mueller located?
Karen Mueller practices at 2014 Washington St, Newton Lower Falls, MA 02462. The listed phone number is (617) 243-6000.
What is Karen Mueller's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Adult Health, with taxonomy code 363LA2200X.
Is Karen Mueller enrolled in Medicare?
Yes. Karen Mueller is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Karen Mueller's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Karen Mueller reassigns Medicare benefits to Mass General Brigham Medical Group Suburban Massachusetts Inc (Newton, MA). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Karen Mueller's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Karen Mueller was last updated on October 30, 2012. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Ms. Karen Mueller, NP · NPI 1699029645
Adult Health physician in Newton Lower Falls, Massachusetts. Individual provider, active in the CMS NPPES registry since October 30, 2012.
## Identity
- **NPI:** 1699029645 (Entity type: Individual)
- **Enumerated:** October 30, 2012
- **Primary specialty:** Nurse Practitioner - Adult Health · taxonomy 363LA2200X
- **State license:** 161107 (Massachusetts)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 2014 WASHINGTON ST, Newton Lower Falls, MA 02462-1607
- **Phone:** (617) 243-6000
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Mass General Brigham Medical Group Suburban Massachusetts Inc (NPI 1538191218, Newton, MA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** October 30, 2012
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Source: [NPI Profile](https://npiprofile.com/npi/1699029645) · Data from the CMS NPPES public registry.